:root{--bg: #0f1117;--bg2: #1a1d27;--bg3: #252836;--border: #2e3347;--text: #e2e8f0;--text2: #8892a4;--primary: #6366f1;--primary-h: #4f46e5;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--sidebar-w: 220px;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.4)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}button{cursor:pointer;font-family:inherit}.layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}.main-content{flex:1;overflow-y:auto;display:flex;flex-direction:column}.page-header{padding:20px 24px 0}.page-body{padding:16px 24px 24px;flex:1}.page-title{font-size:20px;font-weight:600;color:var(--text);margin-bottom:4px}.page-subtitle{font-size:13px;color:var(--text2)}.sidebar-logo{padding:20px 16px;border-bottom:1px solid var(--border);font-size:16px;font-weight:700;color:var(--primary)}.sidebar-nav{padding:8px 0;flex:1}.nav-section{padding:12px 16px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text2)}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 16px;color:var(--text2);transition:all .15s;border-left:3px solid transparent}.nav-item:hover{color:var(--text);background:var(--bg3)}.nav-item.active{color:var(--primary);background:#6366f11a;border-left-color:var(--primary)}.nav-item .icon{font-size:16px;flex-shrink:0}.sidebar-footer{padding:12px 16px;border-top:1px solid var(--border)}.user-info{display:flex;align-items:center;gap:8px}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}.user-name{font-size:13px;color:var(--text);flex:1}.user-role{font-size:11px;color:var(--text2)}.btn-logout{background:none;border:none;color:var(--text2);font-size:18px;padding:4px}.btn-logout:hover{color:var(--danger)}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card-title{font-size:15px;font-weight:600;margin-bottom:16px}.card-grid{display:grid;gap:16px}.card-grid-4{grid-template-columns:repeat(4,1fr)}.card-grid-3{grid-template-columns:repeat(3,1fr)}.card-grid-2{grid-template-columns:repeat(2,1fr)}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}.stat-label{font-size:12px;color:var(--text2);margin-bottom:6px}.stat-value{font-size:24px;font-weight:700}.stat-value.green{color:var(--success)}.stat-value.red{color:var(--danger)}.stat-value.blue{color:var(--info)}.stat-sub{font-size:12px;color:var(--text2);margin-top:4px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:6px;font-size:13px;font-weight:500;border:none;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-h)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{opacity:.85}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.85}.btn-ghost{background:var(--bg3);color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:var(--border)}.btn-sm{padding:4px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 12px;font-size:12px;font-weight:600;color:var(--text2);border-bottom:1px solid var(--border);white-space:nowrap}td{padding:10px 12px;font-size:13px;border-bottom:1px solid var(--border)}tr:hover td{background:#ffffff05}tr:last-child td{border-bottom:none}.form-group{margin-bottom:16px}label{display:block;font-size:13px;color:var(--text2);margin-bottom:6px}input,select,textarea{width:100%;padding:8px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px;outline:none;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary)}input::placeholder{color:var(--text2)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500}.badge-green{background:#22c55e26;color:var(--success)}.badge-red{background:#ef444426;color:var(--danger)}.badge-yellow{background:#f59e0b26;color:var(--warning)}.badge-blue{background:#3b82f626;color:var(--info)}.badge-gray{background:var(--bg3);color:var(--text2)}.pagination{display:flex;align-items:center;gap:8px;padding:16px 0 0;justify-content:flex-end}.pagination span{font-size:13px;color:var(--text2)}.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}.toolbar input,.toolbar select{width:auto;min-width:160px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-box{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:40px 36px;width:100%;max-width:380px;box-shadow:var(--shadow)}.login-logo{font-size:22px;font-weight:700;color:var(--primary);margin-bottom:8px}.login-sub{font-size:13px;color:var(--text2);margin-bottom:28px}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.gap-8{gap:8px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.text-right{text-align:right}.text-center{text-align:center}.text-sm{font-size:12px}.text-muted{color:var(--text2)}.w-full{width:100%}.loading,.empty{text-align:center;padding:40px;color:var(--text2)}@media (max-width: 900px){.card-grid-4{grid-template-columns:repeat(2,1fr)}}